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In EPA’s latest rankings of the top-20 users of on-site renewable energy, Kimberley Clark came out on top with more than 192 million kilowatt hours, comprising about 7 percent of its total electricity needs. The paper product giant uses a biomass generator.

The next three positions on the list were occupied by cities. Los Angeles County Sanitation Districts generates 172 million kWh, for 54 percent of its needs, using biogas. San Diego produces 69 million kWh, or about 27 percent of its needs, using biogas, hydro and solar. And the San Jose/Santa Clara Water Pollution Control Plant generates 52 million kWh, or about 56 percent of its needs, using biogas.

Coming in at No. 5 is Cal Portland, an industrial products company in Glendora, Calif., that generates 50 million kWh, or 11 percent of its needs, using wind.